78 



THE VOYAGE Of H.M.S. CHALLENGER. 



Phtllocarida, 



Flatvaspis, . 

 podophthalmia, 



pseudocvma, . 



PsEUDOCUMIDiE, 



schizopoda, . 

 Spencebatea, 



SrEPHANOMilA, 



Trilobita, 

 Vaunthompsonia, 



crislafa, . 



meridionalis, 



VAUNTHOMPSONIIDiE, 



